Finding the Third Proportional to 1,891,840 and 2,782,440

Step by Step Solution

1. Step 1: Write the proportion equation
   1,891,840 : 2,782,440 = 2,782,440 : x
2. Step 2: Convert to fraction form
   1,891,840/2,782,440 = 2,782,440/x
3. Step 3: Cross multiply
   1,891,840x = 2,782,440 × 2,782,440
4. Step 4: Simplify right side
   1,891,840x = 7,741,972,353,600
5. Step 5: Solve for x
   x = 7,741,972,353,600/1,891,840
6. Step 6: Final answer
   x = 4,092,297.63